1.Install vSphere(ESX) with at least 2 GB memory
2.Login to the Service Console and type the following:
nano /etc/vmware/init/init.d/00.vmnix3.Change the following line to the desired value:
RequiredMemory=20643844.Shutdown the virtual machine and change the VMs memory and boot it up!

1.Install vSphere(ESXi) with at least 2 GB memory
2.Login to the console via the “unsupported” method.
3.Edit the file /etc/vmware/esx.conf and add the following line:
/vmkernel/minMemoryCheck = “false”4.Save the file and shutdown ESXi, change the memory and boot it up!